Well do what I do. Take a picture of yourself then black out your face and tell everyone you have a box for a face.
I never claimed to be alive. And on the topic of nerddom, sadly I have you beat. I program, play computer games, am on a Computing degree (on the computing society committee too), am surrounded by professional nerds five days a week and just yesterday I made a wikipedia joke in a bar. *hangs head in shame*